Update README.md

README.md

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-# MaterialSettings  27
+# MaterialSettings-v27
 MaterialSettings - small library to create settings activity
+
+[![Android app on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/store/apps/details?id=com.wt.sampleapp)
+
+Original library : https://github.com/kenumir/MaterialSettings
+
+# Installing
+Add this to your build.grade:
+
+```
+	repositories {
+	//...
+        maven { url "https://jitpack.io" }
+        }
+```
+and then in dependencies:
+
+```
+dependencies {
+	        compile 'com.github.wailbabou:MaterialSetting-V27:1.0.0'
+	}
+```
+
+###Simple code:
+```java
+public class Settings1Activity extends MaterialSettings {
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		addItem(new HeaderItem(this).setTitle("Sample title 1"));
+		addItem(new CheckboxItem(this, "key1").setTitle("Checkbox item 1").setSubtitle("Subtitle text 1").setOnCheckedChangeListener(new CheckboxItem.OnCheckedChangeListener() {
+			@Override
+			public void onCheckedChange(CheckboxItem cbi, boolean isChecked) {
+				Toast.makeText(Settings1Activity.this, "CHECKED: " + isChecked, Toast.LENGTH_SHORT).show();
+			}
+		}));
+	}
+	@Override
+    public StorageInterface initStorageInterface() {
+    	return new PreferencesStorageInterface(this);
+    }
+}
+```
+
+#### Important
+If in your app has layout named "activity_material_settings.xml" 
+will occur error "NoSuchFieldError: No static field" - [issue #2](https://github.com/kenumir/MaterialSettings/issues/2)
+
+### Style attrs
+* msToolbarTheme
+* msToolbarThemePopup
+* msColorPrimary - primary color
+* msColorPrimaryDark - color of status bar (api 21+)
+* msColorAccent - accent color
+* msWindowBg - default window bg color
+* msColorHeader - headers text color (usually same as msColorAccent)
+* msColorTextTitle - item title color
+* msColorTextSubTitle - subtitle text color
+* msDivider - divider drawable
+* msItem - whole item color
+* msTextStyle - reference to text title style (TextView)
+* msSubTextStyle - reference to text sub title style (TextView)
+* msHeaderStyle - reference to text title style (TextView)
+
+### Same style
+```xml
+<style name="MaterialSettings.Red" parent="MaterialSettingsTheme">
+<item name="msColorPrimary">@color/redPrimary</item>
+    <item name="msColorPrimaryDark">@color/redPrimaryDark</item>
+    <item name="msColorAccent">@color/redAccent</item>
+    <item name="msColorHeader">@color/redAccent</item>
+</style>
+```
+
+### StorageInterface
+Easiest way to save/load settings
+
+* PreferencesStorageInterface - in shared preferences
+* SimpleStorageInterface - in memory
+* or write own interface to save data (sqlite, content provider or to file)
+
+Interface:
+
+```java
+
+    public abstract class StorageInterface {
+        public StorageInterface() {}
+
+        public abstract void save(String key, Boolean value);
+        public abstract boolean load(String key, Boolean defaultValue);
+
+        public abstract void save(String key, String value);
+        public abstract String load(String key, String defaultValue);
+
+        public abstract void save(String key, Integer value);
+        public abstract Integer load(String key, Integer defaultValue);
+
+        public abstract void save(String key, Float value);
+        public abstract Float load(String key, Float defaultValue);
+
+        public abstract void save(String key, Long value);
+        public abstract Long load(String key, Long defaultValue);
+
+        public abstract Map<String, ?> getAll();
+    }
+
+```
+
+Extend and write own methods.
+
+# Screens
+![Default](/screens/theme_default2.png)
+![Rec](/screens/theme_red2.png)
+![Dark](/screens/theme_dark2.png)
+
+###License
+
+    Copyright 2013-2015 Michał Szwarc [ Edited by ouail bellal 2018 ] 
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+